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5.6. Characteristics of the electrical accessories
Shunt opening release (-MO1);
Additional shunt opening release (-MO2);
Shunt closing release (-MC)
Un: 24 - 30 - 48 - 60 - 110 - 125 - 220 - 250 V–
Un: 24 - 48 - 60 - 110 - 120 ... 127 -
220 ... 240 V~ 50 Hz
Un: 110 - 120 - 127 - 220 - 240 V~ 60 Hz
Operating limits: 70 … 110 % Un
Inrush power (Ps): DC 200 W; AC = 200 VA
Inrush time approx. 100 ms
Continuous power (Pc): DC = 5 W; AC = 5 VA
Opening time: 35 ... 60 ms
Closing time: 30 ... 80 ms
Insulation voltage: 2500 V 50 Hz (for 1 min)
Undervoltage release (-MU)
Un: 24 - 30 - 48 - 60 - 110 - 125 - 220 - 250 V–
Un: 24 - 48 - 60 - 110 - 120 - 127 -
220 ... 240 V~ 50 Hz
Un: 110 - 120 ... 127 - 220 ... 240 V~ 60 Hz
Operating limits:
– circuit-breaker opening: 35-70% Un
– circuit-breaker closing: 85-110% Un
Inrush power (Ps): DC 200 W; AC = 200 VA
Inrush time approx. 100 ms
Continuous power: DC = 5 W; AC = 5 VA
Opening time: 30 ms
Insulation voltage: 2500 V 50 Hz (for 1 min)
Electronic time delay device for undervoltage release (mounted
outside the circuit-breaker)
Un: 24 ... 30 - 48 - 60 - 110 ... 127 -
220 ... 250 V–
Un: 48 - 60 - 110 ... 127 - 220 ... 240 V~ 50/60 Hz
Adjustable opening time
(release + time delay device): 0.5-1-1.5-2-3 s
Motor for motorised truck (-MT) (only for withdrawable circuit-
breakers for UniGear ZS1 and ZS8.4 switchgear)
Un: 110 – 220 V DC
Operating limits: 85 ... 110 % Un
Rated power (Pn): 40 W
Characteristics
Un: 24...30 - 48...60 - 110...130 - 220...250 V–
Un: 100...130 - 220...250 V ~ 50/60 Hz
Operating limits: 85 … 110 % Un
≤≤
≤≤
≤ 31,5 kA 40 kA (*)
Inrush power (Ps): DC=500 W; AC=500 VA DC=900 W; AC=900 VA
Rated power (Pn): DC=200 W; AC=200 VA DC=350 W; AC=350 VA
Inrush time 0.2 s 0.2 s
Charging time: 4-5 s 5-6 s
Insulation voltage: 2500 V 50 Hz (for 1 min) 2500 V 50 Hz (for 1 min)
Motor operator (-MS)
Auxiliary contacts of the circuit-breaker
Rated insulation voltage according to VDE 0110, Group C 660 V AC
800 V DC
Rated voltage 24 V... 660 V
Insulation-test test voltage 2.5 kV
Maximum rated current 10 A
Number of contacts 5
Stroke 6 mm ... 7 mm
Contact force 26 N
On resistance 3 mΩ
Storing temperature range - 20° C ... + 120 °C
Operating temperature range - 20° C ... + 70 °C
Contact over temperature 20 K
Operating cycles 30.000
Unlimited short circuit stability by using fuses of max. 10 A time-lag
Cos
ϕϕ
ϕϕ
ϕ Rated current Breaking capacity
220 V AC 0.7 2.5 A 25 A
380 V AC 0.7 1.5 A 15 A
500 V AC 0.7 1.5 A 15 A
660 V AC 0.7 1.2 A 12 A
Time
constant
24 V DC 1 ms 10 A 12 A
15 ms 10 A 12 A
50 ms 8 A 10 A
200 ms 4 A 7.7 A
60 V DC 1 ms 8 A 10 A
15 ms 6 A 8 A
50 ms 5 A 6 A
200 ms 4 A 5.4 A
110 V DC 1 ms 6 A 8 A
15 ms 4 A 5 A
50 ms 2 A 4.6 A
200 ms 1 A 2.2 A
220 V DC 1 ms 1.5 A 2 A
15 ms 1 A 1.4 A
50 ms 0.75 A 1.2 A
200 ms 0.5 A 1 A
Note
With the set of 10 auxiliary contacts supplied as standard, the following are
available:
– 3 NO contacts + 5 NC contacts for fixed circuit-breakers
– 3 NO contacts + 4 NC contacts for withdrawable circuit-breakers
With the set of 15 auxiliary contacts (+5 contacts on request compared to the 10
supplied as standard), the following are available:
– for fixed circuit-breaker, as desired, 6 NO contacts + 7 NC contacts or 5 NO
contacts + 8 NC contacts or 3 NO contacts + 10 NC contacts
– for withdrawable circuit-breakers, depending on the applications required, a
maximum of 6 NO contacts + 6 NC contacts and a minimum of 5 NO contacts
+ 5 NC contacts are available.
Locking magnet on the truck (-RL2) (*)
Un: 24 - 30 - 48 - 60 - 110 - 125 - 127 - 132 -
220 - 240 V–
Un: 24 - 30 - 48 - 60 - 110 - 125 - 127 - 220 -
230 ... 240 V~ 50/60 Hz
Operating limits: 85 … 110 % Un
Inrush power (Ps): DC 250 W; AC = 250 VA
Continuous power (Pc): DC = 5 W; AC = 5 VA
Inrush time: 150 ms
(*) Not available for versions with motorized truck.
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